Results 241 to 250 of about 1,020,177 (314)
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ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Seayad, J., List, B.
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Seayad, J., List, B.
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Physical Review E, 2004
Dripping from a faucet is studied, where by cutting diagonally the tip breaks the cylindrical symmetry. We measured long dripping time series recorded with a laser-beam apparatus and continuous change in drop position using a high-speed camera. It is found that the added degree of freedom produces a transversal oscillation of a pending drop, which ...
D'INNOCENZO, Antonio +2 more
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Dripping from a faucet is studied, where by cutting diagonally the tip breaks the cylindrical symmetry. We measured long dripping time series recorded with a laser-beam apparatus and continuous change in drop position using a high-speed camera. It is found that the added degree of freedom produces a transversal oscillation of a pending drop, which ...
D'INNOCENZO, Antonio +2 more
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ChemMedChem, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Stefan, Jaroch +2 more
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Stefan, Jaroch +2 more
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Synthesis of Atropisomers by Transition-Metal-Catalyzed Asymmetric C-H Functionalization Reactions.
Journal of the American Chemical Society, 2021Transition-metal-catalyzed enantioselective C-H functionalization has become a powerful strategy for the formation of C-C or C-X bonds, enabling the highly asymmetric synthesis of a wide range of enantioenriched compounds.
Chen-Xu Liu +4 more
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2013
The direct addition of amine N-H bonds across an unsaturated carbon-carbon linkage gives fast and highly atom-economical access to amines. This review provides an overview of the most effective stereoselective methods using various catalyst systems based on alkali, alkaline earth, and transition metals, as well as enzymatic and organocatalytic ...
Reznichenko, Alexander L. +2 more
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The direct addition of amine N-H bonds across an unsaturated carbon-carbon linkage gives fast and highly atom-economical access to amines. This review provides an overview of the most effective stereoselective methods using various catalyst systems based on alkali, alkaline earth, and transition metals, as well as enzymatic and organocatalytic ...
Reznichenko, Alexander L. +2 more
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SSRN Electronic Journal, 2011 We use a laboratory experiment to investigate the behavioral effects of obligations that are not backed by binding deterrent incentives. To implement such expressive law' we introduce different levels of very weakly incentivized, symmetric and asymmetric minimum contribution levels (obligations) in a repeated public goods experiment.
Riedel, Nadine +1 more
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EEG-based emotion recognition using an end-to-end regional-asymmetric convolutional neural network
Knowledge-Based Systems, 2020Emotion recognition based on electroencephalography (EEG) is of great important in the field of Human–Computer Interaction (HCI), which has received extensive attention in recent years. Most traditional methods focus on extracting features in time domain
Heng Cui +5 more
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Accounts of Chemical Research, 2019
Indole-based chiral heterocycles constitute a class of important heterocyclic compounds that are found in numerous pharmaceuticals, functional materials, and chiral catalysts or ligands.
Yu-Chen Zhang, Fei Jiang, F. Shi
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Indole-based chiral heterocycles constitute a class of important heterocyclic compounds that are found in numerous pharmaceuticals, functional materials, and chiral catalysts or ligands.
Yu-Chen Zhang, Fei Jiang, F. Shi
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Angewandte Chemie, 2000
While nonracemic catalysts can generate nonracemic products with or without the nonlinear relationship in enantiomeric excesses between catalysts and products, racemic catalysts inherently give only a racemic mixture of chiral products. Asymmetric catalysts, either in nonracemic or racemic form, can be further evolved into highly activated catalysts ...
K. Mikami +5 more
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While nonracemic catalysts can generate nonracemic products with or without the nonlinear relationship in enantiomeric excesses between catalysts and products, racemic catalysts inherently give only a racemic mixture of chiral products. Asymmetric catalysts, either in nonracemic or racemic form, can be further evolved into highly activated catalysts ...
K. Mikami +5 more
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Iridium-Catalyzed Asymmetric Allylic Substitution Reactions.
Chemical Reviews, 2018In this review, we summarize the origin and advancements of iridium-catalyzed asymmetric allylic substitution reactions during the past two decades. Since the first report in 1997, Ir-catalyzed asymmetric allylic substitution reactions have attracted ...
Q. Cheng +5 more
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